Finding the Fourth Proportional to 23,005.76, 34,510.72 and 7,423.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,005.76 : 34,510.72 = 7,423.68 : x
2. Step 2: Convert to fraction form
   23,005.76/34,510.72 = 7,423.68/x
3. Step 3: Cross multiply
   23,005.76x = 34,510.72 × 7,423.68
4. Step 4: Simplify right side
   23,005.76x = 256,196,541.85
5. Step 5: Solve for x
   x = 256,196,541.85/23,005.76
6. Step 6: Final answer
   x = 11,136.19